202118620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15061}}^1$

素因数の和:15142

約数の個数: 48

約数和(自身を含む): 470657376

約数和(自身を除く): 268538756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 15061, 30122, 60244, 75305, 150610, 165671, 301220, 331342, 662684, 828355, 918721, 1656710, 1837442, 3313420, 3674884, 4593605, 9187210, 10105931, 18374420, 20211862, 40423724, 50529655, 101059310, 202118620]

約数ペア:

[(1, 202118620), (2, 101059310), (4, 50529655), (5, 40423724), (10, 20211862), (11, 18374420), (20, 10105931), (22, 9187210), (44, 4593605), (55, 3674884), (61, 3313420), (110, 1837442), (122, 1656710), (220, 918721), (244, 828355), (305, 662684), (610, 331342), (671, 301220), (1220, 165671), (1342, 150610), (2684, 75305), (3355, 60244), (6710, 30122), (13420, 15061)]